A54SX16A-2TQG144I - 24K Gate Antifuse FPGA, TQFP-144 | Microchip
料号： A54SX16A-2TQG144I ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.9 | $349.00 |
| 100 | $31.2 | $3,120.00 |
| 500 | $28.6 | $14,300.00 |
| 1,000 | $25.9 | $25,900.00 |
A54SX16A-2TQG144I 概述
An antifuse FPGA is a type of field-programmable gate array whose interconnects are permanently programmed at power-up programming time, rather than using SRAM configuration cells. Within the semiconductor hierarchy, the A54SX16A sits under FPGA -> antifuse FPGA -> programmable logic device (PLD) -> digital logic IC. Because antifuse configuration is non-volatile and immune to configuration readback, these devices are favored where instant-on operation, low power, and design security matter more than in-field reconfigurability.
Key features include a sea-of-modules architecture for high gate utilization, 2.25V to 5.25V core operating range (per Microchip USA data for the SX-A 144-TQFP variant), speed grade -2 performance, and lead-free (TQG) RoHS-compliant packaging. The 20x20 mm TQFP-144 footprint with 0.5 mm pin pitch enables surface-mount assembly on standard PCB processes without the expense of fine-pitch BGA assembly.
Technically, the SX-A family combines a high-performance module fabric with antifuse interconnect, delivering deterministic timing and low static power consumption. The -2 speed grade supports system toggle rates in the hundreds of MHz, sufficient for glue logic consolidation, bus bridging, state machines, and protocol interfacing in embedded systems.
Typical applications include industrial control and automation, communications and networking line cards, aerospace and defense systems requiring configuration security, and legacy system life-extension where a single-chip replacement for multiple TTL/PLD devices reduces board area and cost.
A key design consideration is that antifuse FPGAs are one-time programmable: exhaustively verify the design in simulation and, ideally, in a socketed or dev-board environment before committing production programming. Device-specific pin assignments must be cross-checked against the Microsemi/Microchip datasheet.
This page synthesizes distributor pricing tiers, drop-in alternatives within the same TQFP-144 footprint, and practical design guidance not found in the manufacturer datasheet.
直接替换替代料： A54SX16A-2TQG144I ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： A54SX16A-2TQG144I （相同外形与封装尺寸） ——差异在于 Package, RoHS Status, System Gates, Logic Cells, Maximum Toggle Frequency.
快速对比工具——选择替代料号进行并排对比：
A54SX16A-2TQG144
✅ 直接替换✓ 有现货
$145 / 个
查看数据手册 →A54SX16A-1TQG144I
✅ 直接替换✓ 有现货
$24.95 / 个
查看数据手册 →A54SX32A-2TQG144I
✅ 直接替换✓ 有现货
$281.98 / 个
查看数据手册 →A54SX08A-2TQG144I
✅ 直接替换✓ 有现货
$31.42 / 个
查看数据手册 →A54SX16A-2TQG144I 最大额定值与电气特性
| Family | SX-A (Antifuse FPGA) |
| System Gates | 24000 |
| Logic Cells (Modules) | 1452 |
| User I/O | 113 |
| Maximum Toggle Frequency | 294 MHz |
| Speed Grade | -2 |
| Programming Technology | Antifuse (one-time programmable) |
| Supply Voltage Range | 2.25 V to 5.25 V |
| 工作温度 | -40C to +85C (Industrial) |
| 封装 | TQFP-144 (TQG144), 20x20 mm, 0.5 mm pitch |
| Package Height | 1.4 mm |
| 安装类型 | Surface Mount |
| Process Technology | CMOS |
| RoHS 状态 | Compliant (lead-free, TQG suffix) |
| Configuration Volatility | Non-volatile (antifuse) |
A54SX16A-2TQG144I 1.4 mm 引脚配置指南
A54SX16A-2TQG144I（1.4 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： A54SX16A-2TQG144I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX16A-2TQG144I 适用于 6 应用s: Industrial Control and Automation, Aerospace and Defense Secure Logic, Communications and Networking Line Cards, Legacy System Life Extension, Test and Measurement Instrumentation, Power-Up-Critical Embedded Systems.
Industrial Control and Automation
The A54SX16A-2TQG144I fits industrial control because its -40C to +85C industrial rating and non-volatile antifuse configuration eliminate boot-time configuration failures on factory floors where power cycling is frequent. With 24,000 system gates and 113 user I/O, a single device can replace dozens of 74-series TTL devices, PLD glue logic, and bus-interface buffers, cutting board area and BOM cost. It is typically deployed between a microcontroller and field I/O, implementing state machines, address decoding, and parallel-to-serial bridging. The 294 MHz toggle capability far exceeds industrial timing needs, providing timing margin across the full temperature range; the trade-off is one-time programmability, so pin assignment must be frozen before production programming.
推荐
Aerospace and Defense Secure Logic
Antifuse FPGAs like the A54SX16A-2TQG144I are a mainstay in defense electronics because the programmed interconnect cannot be read back, protecting design IP from reverse engineering - a property SRAM FPGAs cannot match without bitstream encryption. The non-volatile fabric also provides instant-on operation for systems with strict startup latency requirements such as radar trigger logic and secure communications line cards. The industrial -40C to +85C rating covers most convection-cooled ground and airborne environments. Designers typically use this device for protocol adaptation, synchronization counters, and fail-safe interlocks. Note that for space or deep-military programs, Microchip's RT-series or higher-rel screening grades should be evaluated instead of the standard industrial part.
推荐
Communications and Networking Line Cards
In telecom and datacom line cards, the A54SX16A-2TQG144I serves as backplane interface glue logic: bus switching, framing, elapse counters, and handshaking between PHY devices and backplane controllers. The 294 MHz toggle frequency supports line-card clock domains well above 100 MHz, and the -2 speed grade delivers deterministic antifuse routing delays, simplifying static timing closure compared to SRAM fabrics with reconfigurable routing. Because the configuration is permanent, systems power directly into operation - important for redundant carrier-grade hardware with hot-swap uptime requirements. The TQFP-144 package with 0.5 mm pitch assembles on standard telecom SMT lines without BGA inspection equipment, reducing manufacturing cost for mid-volume line-card production runs.
推荐
Legacy System Life Extension
Many mature industrial, medical, and transport platforms were designed around obsolete PLDs, PALs, and TTL. The A54SX16A-2TQG144I consolidates that logic into one 24K-gate antifuse device, and because the SX-A family remains in production at Microchip, it is a sustainable obsolescence-mitigation target. The 2.25V to 5.25V supply range lets it interface directly with legacy 5V and 3.3V bus structures that modern 1.2V-core FPGAs cannot tolerate without level shifters. Design migration consists of capturing the legacy netlists into the Microchip Designer flow, reassigning pins to the TQFP-144 footprint, and committing to one-time programming. A54SX32A-2TQG144I provides a footprint-compatible growth path if legacy logic exceeds 24K gates during capture.
推荐
Test and Measurement Instrumentation
Bench and automated test equipment benefits from the A54SX16A-2TQG144I's deterministic antifuse timing: trigger generators, counter/timer chains, and measurement sequencers exhibit repeatable propagation delay independent of configuration reloads. With a 294 MHz toggle capability and 113 user I/O, one device can implement timing generators, comparator handshake logic, and IEEE-style interface glue between an instrument MCU and its analog front end. The instant-on antifuse fabric means instruments are ready at power switch-on with no configuration load window - critical for turnkey test stations that must run unattended. Designers should budget for one-time programming and keep a socketed development unit in the -1 speed grade for iteration before burning -2 production devices.
推荐
Power-Up-Critical Embedded Systems
Systems that must become functional within milliseconds of power application - interlocks, safety monitors, motor-drive sequencers - gain from the antifuse fabric's zero configuration latency. Unlike SRAM FPGAs that spend tens to hundreds of milliseconds loading a bitstream, the A54SX16A-2TQG144I begins operating as soon as supply rails settle, with configuration permanently stored in silicon. Combined with the -40C to +85C industrial rating and 2.25V to 5.25V supply flexibility, it integrates safety shutdown logic directly adjacent to power-conversion circuitry. Typical usage implements watchdog comparators, startup sequencers, and fault-latching state machines. The one-time-programmable nature also prevents configuration corruption from brownouts, a documented failure mode of flash-based programmable logic in noisy power environments.
推荐
推荐产品汇总
工程参考数据： A54SX16A-2TQG144I ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | A54SX16A-2TQG144 | A54SX16A-1TQG144I | A54SX32A-2TQG144I | A54SX08A-2TQG144I |
|---|---|---|---|---|---|
| Package | TQFP-144 (TQG144), 20x20 mm | TQFP-144 - same footprint | TQFP-144 - same footprint | TQFP-144 - same footprint | TQFP-144 - same footprint |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Speed Grade | -2 (294 MHz) | -2 (294 MHz) | -1 (slower) | -2 | -2 |
| Operating Temperature | -40C to +85C (Industrial) | Commercial (0C to +70C) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| RoHS / Lead-Free | Compliant (TQG lead-free) | Compliant (TQG) | Compliant (TQG) | Compliant (TQG) | Compliant (TQG) |
关键差异点
- Industrial temperature with fastest -2 speed grade in same footprint （对比 A54SX16A-1TQG144I)
- RoHS lead-free TQG package with industrial rating （对比 A54SX16A-2TQG144)
- Optimal 24K-gate capacity point （对比 A54SX32A-2TQG144I)
设计说明
Antifuse FPGAs are one-time programmable. Commit a design only after full functional simulation and, ideally, validation on a development unit. Keep the pin-assignment (pin report) from Microchip Designer under version control - pin locations differ between dies even in the same TQFP-144 footprint, so do not assume an A54SX16A pin map transfers to A54SX32A or A54SX08A without re-export from the toolchain.
Estimated: CMOS static power scales with clock frequency and toggle activity. The wide 2.25V to 5.25V supply range means dynamic power roughly scales with V^2 - operating at 5V instead of 3.3V increases dynamic dissipation by approximately 2.3x. Choose the lowest supply voltage compatible with your I/O standards, and decouple each VCC pin pair with 0.1 uF ceramics placed within 2 mm of the package, plus one 10 uF bulk capacitor per rail.
The TQFP-144 has 0.5 mm lead pitch; specify solder-mask-defined or non-solder-mask-defined pads per IPC-7351 guidance used in your fab, and keep fan-out vias at 0.3 mm drill with dogbone escapes to avoid assembly bridging. Provide an exposed ground pour under the 20x20 mm body with multiple ground vias to reduce ground bounce across the 113 I/O. Follow the Microsemi SX-A datasheet layout recommendations for programming-pin routing so production programming fixtures can access the device after assembly.
When multiple 113-I/O banks switch simultaneously, ground bounce can corrupt inputs on the same side of the package. Assign high-slew outputs away from sensitive inputs, enable the device's output slew control where available, and insert small series resistors (22-33 ohm) on fast edges driving ribbon cables or backplanes. Verify timing with the -2 speed-grade library; if migrating to A54SX16A-1TQG144I, re-run static timing because -1 devices derate path delays.
合规信息
RoHS compliance and lead-free status confirmed via TQG lead-free package suffix and FindIC/distributor listings. AEC-Q100 qualification not stated in provided data; the SX-A family targets industrial, not automotive.
